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 TM 55-1905-223-10
Table 2-2. Operator/Crew Preventive Maintenance Checks and Service - CONT
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
PROCEDURES
EQUIPMENT IS
ITEM
ITEM TO BE
CHECK FOR AND HAVE REPAIRED
NOT READY/
NO
B
DA W M
INSPECTED
OR ADJUST AS NECESSARY
AVAILABLE IF:
100
Reduction Gear
Check the reduction gear unit
Debris, foreign
(STBD)
for debris, foreign objects and
objects remain
loose or broken fittings.
wedged or
Refer problems to Unit
lodged in
Maintenance.
components.
NOTE
Inspection of the reduction
gear unit should be
accomplished prior to startup
operational checks of the main
propulsion engines.
Check for leaks
Class III
leaks.
Oil Level
Check that oil level is filled
Low oil level.
to upper dipstick mark. Add
oil if required. Refer to LO
55-1905-223-12.
Leaks
Inspect reduction gear unit for
Class III
oil or water leaks.
leaks.
Clutch Control
Check that engine speed and
clutch control air valve is in
neutral position.
Air Transfer
Check that control air transfer
Valve
valve is in local position.
Reduction Gear
Check pressure gauge for normal
Pressure below
Cooling Pump
readings (30 psi).
28 or above 32
psi.
Oil Pressure
Check for oil pressure between
Low oil
260-280 psi.
pressure.
Oil Operating
Check operating temperature.
Temperature
Temperature
Normal range should be 140F -
exceeds 160F
160F.
on gauge.
2-270
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